CN212346898U - Diversion ventilation pressure-relief protection device - Google Patents

Abstract

The utility model relates to a diversion ventilation is slowly pressed protector, including goggles body and filtered air controlling means, goggles body and filtered air controlling means pass through the pipe connection of ventilating, and different fan operations make in filtered air gets into inside each cavity roof beam of goggles theme and the gasbag on the operation controller, and the up exhaust down can be realized following to the hole of ventilating on the underbeam, and the hole of ventilating on the underbeam can realize down exhausting from the follow, and the filtered air that newly lets in can make originally internal original gas of goggles, fog discharge through one-way exhaust valve, and the air that lets in the gasbag can change its pressure to face. Adopt above-mentioned diversion ventilation pressure relief protector, can let the user of service still can keep the mirror surface clean under the condition of long-term use, also can not cause the eye discomfort because of a direction ventilation, the pressure that changes the gasbag is alleviated the oppression sense and the laminating degree of goggles to the face and is alleviateed the indentation to the face.

Description

Diversion ventilation pressure-relief protection device

Technical Field

The utility model relates to a protective apparatus field, concretely relates to can realize filtering ventilation function and possess the goggles of alleviating eye pressure effect.

Background

Daily goggles of using can be oppressed producing because of the material reason, wear for a long time and can cause uncomfortable sense, cause the damage to facial skin even, especially to the medical personnel who need long-time treatment patient during the epidemic situation, because the infectivity of virus, can not take off the adjustment goggles at will, medical personnel's face often is suffering oppression and the dual examination of fog, take off after long-time work the goggles, the face can leave deep dent, the skin ulcerate's situation can appear even seriously, make medical personnel infect the wind greatly increased of virus. The utility model discloses a current utility model discloses a goggles CN207075955U, including the goggles body and one with the miniature centrifugal fan that air conduit and goggles are connected, be provided with particle filtration stratum reticulare, HEPA filter screen stratum reticulare and organic steam peculiar smell filter screen stratum reticulare in centrifugal fan gas outlet and pipe connection department, just so can improve the air quality in the goggles, reduce the influence of fog. However, such goggles can only ventilate in one direction, and after long-term use, the goggles cause discomfort to eyes, and meanwhile, the effect of relieving facial pressure on the goggles is very small.

In summary, the prior art has the following disadvantages: 1) the inability to adjust the wind direction derivative of the ventilation is an eye discomfort problem; 2) the problem of fogging of the goggles is solved only by ventilation measures, and the effect of relieving oppression of the goggles on the face is not achieved; 3) the effects of relieving pressure and defogging at the same time are not achieved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve above-mentioned problem, designed one kind and can realize filtering ventilation function and possess the goggles of alleviating eye pressure effect.

In order to solve the above technical problem and achieve the above technical effect, the utility model discloses a following technical content realizes:

a turning ventilation pressure-relief protection device comprises a goggle body, wherein the goggle body comprises a visual field end and a face attaching end which are integrally formed, an upper beam and a lower beam of the visual field end are of hollow structures, 5 ventilation holes are sequentially formed in the middle to two sides at equal intervals, an air bag is arranged on the surface of the face attaching end, and a silica gel layer is attached to the other surface of the air bag;

the two ends of the goggles body are provided with head bands for fixing the head;

one-way exhaust valve of goggles body one side-mounting, one-way exhaust valve pass through one side cavity, and opposite side installation controlling means, controlling means pass through air conduit and goggles body upper and lower roof beam and air bag connection, controlling means includes first micro fan 6, second micro fan 7, third micro fan 8, and three micro fan is connected with three air conduit respectively, fan and pipe connection department have interchangeable air filter layer, first air conduit with goggles body underbeam is connected, second air conduit with goggles body upper beam is connected, third air conduit with goggles face laminating part's air bag is connected.

Furthermore, a binding belt is fixed on the control device and can be used for fixing the control device on the arm.

Further, the air filter layer is an H12 grade antibacterial HEPA filter screen.

Furthermore, the control structure comprises an integrated fan part, a battery box part for supplying power to the fan and a fan switch part.

Furthermore, the arrangement mode of the micro fans is that a first slightly smaller micro fan and a second slightly smaller micro fan are arranged in parallel on a third slightly larger micro fan;

the first micro fan and the second micro fan are FD2507 in type, and the third micro fan is FD4028 in type.

Furthermore, the control device is provided with three keys which are arranged in parallel, and the keys are marked with '1', '2' and '3' from left to right, and respectively control the operation of the first micro fan, the second micro fan and the third micro fan.

Furthermore, the gasbag is oval structure, is provided with an exhaust valve on the gasbag, and the silica gel layer thickness of adhesion on the gasbag is 5 mm.

The utility model has the advantages that:

the air extracted by the micro direct current fans 1 and 2 at the control ends is sent into the hollow tube of the beam part of the goggles by the air conduit through the filter layer and then is discharged by the small holes, so that the original gases such as water vapor in the goggles can be discharged by the one-way valve, and the effects of ventilation and demisting are achieved. The operation of the miniature direct current fan 1 or 2 is changed, and the effect of turning and ventilating can be achieved. Through the control end, the booster fan is selected, and the pressure of the face air bag can be adjusted to relieve the pressure on the face and the fitting degree of the face.

The utility model discloses a theory of operation:

the goggles are connected with three micro fans at the control end through three air guide pipes at the left side, and a replaceable H12-grade antibacterial HEPA filter element filtering layer is arranged at the joint of a fan outlet valve and the air guide pipes and can filter 0.3 micron-grade particles at minimum; air extracted by the fan passes through the filter screen and then is sent into the hollow beam part at the front end of the goggles through the air guide pipe; the first guide pipe can send the filtered air extracted by the first fan into the hollow beam at the lower part of the front end of the goggles, small ventilation holes are distributed on the beam, and the filtered air can be sent into the goggles from bottom to top through the small ventilation holes, so that the functions of ventilation and demisting are realized; the second guide pipe can send the filtered air extracted by the second fan into the hollow beam at the lower part of the front end of the goggles, small ventilation holes are distributed on the beam, and the filtered air can be sent into the goggles from top to bottom through the small ventilation holes, so that the functions of ventilation and demisting are realized; a single air circulation valve is arranged on the right side of the goggles, and originally turbid gas and water vapor can be discharged through the one-way valve after filtered air is continuously introduced into the small holes in the upper beam or the lower beam; the guide pipe 3 can send the air filtered by the third fan into a hollow beam connected with the front end of the goggles and the ear facing part, the beam is connected with an air bag of the facing part, and the air bag is covered with silica gel; the fan is installed on controlling means, and this controlling means can realize controlling the function that three fan independent operation starts. When in use, different switches on the control device are selected, so that the functions of upper ventilation, lower ventilation and air bag pressure regulation can be realized; the control device is connected with a binding belt, and the control device can be bound on the shoulder of a worker to be convenient to operate when the goggles are worn.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the front end structure of the eyewear;

FIG. 2 is a schematic view of the rear end structure of the goggles;

FIG. 3 is a schematic view of the left side of the eyewear;

FIG. 4 is a schematic view of the right side of the eyewear;

fig. 5 is a schematic diagram of a ventilation control unit.

In the drawings, the components represented by the respective reference numerals are listed below:

the safety goggles comprise a goggle body 1, an air duct 2, an air duct 3, an air duct 4, an air duct three, a control device 5, a first micro fan 6, a second micro fan 7, a third micro fan 8, a goggle lower beam 9, a lower beam vent hole 10, a goggle upper beam 11, an upper beam vent hole 12, a fixed head band 13, an arm fixing band 14, a battery cell 15, an air bag layer 16, a silica gel layer 17, a one-way vent valve 18, an air bag vent valve 19 and an air filter layer 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, a filter ventilation eye pressure relief eyewear that changes wind direction

Example 1

The utility model discloses can change the filtration of wind direction and ventilate the specific application when eye pressure alleviates goggles and uses do:

as shown in fig. 1 and 4, the goggles comprise a goggle body 1 and a control device 5 connected with the goggle body through a first air duct 2, a second air duct 3 and a third air duct 4, wherein a first micro-fan 6, a second micro-fan 7 and a third micro-fan 8 are installed in the control device, vent holes 10 are distributed on a lower beam 9 of the goggle body, and vent holes 12 are distributed on an upper beam 11 of the goggle body.

As shown in figure 2, the rear part of the goggles is provided with a head band 13 connected with the left and right sides of the goggles, the control device is provided with a bandage 14 fixed with arms, and the back of the control device is provided with a power supply battery slot 15.

The part of the goggles which is attached to the face as shown in fig. 3 and 4 is composed of an air bag layer 16 and a silica gel layer 17, an exhaust valve 18 is arranged on the air bag layer, and a one-way air valve 19 is arranged on the right side of the goggles.

As shown in figure 1, when the goggles are used, different fans are started according to different fan switches, the fan 6 is started to filter air, the air can enter the lower beam 9 through the pipe 2 and can ventilate from bottom to top through the small ventilation holes 10, original air in the goggles body 1 is discharged through the single air valve 19, the fan 7 is started to filter air, the air can enter the upper beam 11 through the pipe 3 and can ventilate from top to bottom through the small ventilation holes 12, original air in the goggles body 1 is discharged through the single air valve 19, and the fan 8 is started to filter air, the air can enter the air bag 16 through the pipe 4 to adjust the pressure of the air bag.

The specific application of this embodiment is:

medical personnel or relevant worker fix the headband for the goggles at the head earlier, fix the control end on the arm again, press switch 1, switch 2 and switch 3 as required during the use, press switch 1 to start first micro-fan and can realize down the ventilation, press switch 2 to start second micro-fan and can realize the ventilation, press switch 3 to start third micro-fan and can adjust gasbag pressure (switch and fan control belong to prior art, realize the fan operation through the break-make of circuit). When a user feels fog in the goggles, the user can press the switch 1 to ventilate from bottom to top, because the air is filtered by the filter layer, the user does not worry about the fact that the air is introduced to contain pollutants such as viruses, and the exhaust valve is unidirectional, so the user does not worry about the fact that the air which is not filtered outside enters the goggles. When the user does not want to ventilate from bottom to top any more, the user can press the switch 2 to change the wind direction. When a user feels that the goggles are not attached to the face, the switch 3 and the valve on the air bag can be opened to adjust the oppression feeling and the attaching degree of the face when pressure exists.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a diversion ventilation is slowly pressed protector which characterized in that: comprises an goggles body, the goggles body comprises a visual field end and a face joint end which are integrally formed, the upper beam and the lower beam of the visual field end are of a hollow structure and are respectively provided with 5 ventilation holes in the middle to two sides in sequence at equal intervals, the face joint end is provided with an air bag on the surface, the other side of the air bag is attached with a silica gel layer, one side of the goggles body is provided with a one-way exhaust valve which penetrates through a cavity on one side of the goggles, the other side of the goggles body is provided with a control device, the control device is connected with the upper beam, the lower beam and the air bag of the goggles body through air ducts, the control device comprises a first micro-fan, a second micro-fan and a third micro-fan which are respectively connected with three air ducts, the joint of each micro-fan and the ducts is provided with an exchangeable air filter layer, the, a third air conduit is connected with the air bag of the face fitting part of the goggles; the two ends of the goggles body are provided with head bands for fixing the head.

2. The turning ventilation pressure-relief protection device according to claim 1, characterized in that: the air filter layer is an H12-grade antibacterial HEPA filter screen.

3. The turning ventilation pressure-relief protection device according to claim 1, characterized in that: the control device comprises a fan part, a battery box part for supplying power to the micro fan, a micro fan switch part and a binding belt part fixed with the arm.

4. The turning ventilation pressure-relief protection device according to claim 1, characterized in that: the arrangement mode of the micro fans is that a first micro fan and a second micro fan which are slightly smaller are arranged on a third micro fan which is slightly larger in parallel; the first micro fan and the second micro fan are FD2507 in type, and the third fan is FD4028 in type.

5. The turning ventilation pressure-relief protection device according to claim 1, characterized in that: the control device part is provided with three keys which are arranged in parallel, and the keys are marked with '1', '2' and '3' from left to right, and respectively control the operation of the first micro-fan, the second micro-fan and the third micro-fan.

6. The turning ventilation pressure-relief protection device according to claim 1, characterized in that: the gasbag is oval structure, and the silica gel layer thickness is 5 mm.

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